Ransomware Research

FunkLocker Ransomware

FunkLocker is a malicious ransomware strain that encrypts victim files and demands ransom payment for decryption. First observed in the wild on January 1, 2025, this ransomware has been actively targeting systems worldwide. Security researchers also track this malware under the aliases: FunkSec.

Quick facts

Ransomware Family
FunkLocker
First Seen
January 1, 2025
Known Aliases
FunkSec

Ransom note and payment demands

After encrypting files, FunkLocker displays ransom notes demanding payment for file recovery:

file/^README-[a-zA-Z0-9]{10}\.md$/
notes/README-Vbov9gXMn5.md
Location: Desktop
fileLightningCrypt_Recover_Instructions.txt
notes/_README_.txt
Location: EveryFolder

Technical indicators

Associated executable files

The following executable files are associated with FunkLocker ransomware:

About this analysis

This FunkLocker ransomware analysis is part of Elastio's comprehensive ransomware detection database. Elastio provides advanced ransomware protection and recovery, helping organizations defend against and recover from ransomware attacks like FunkLocker.

Last updated: December 30, 2025

Detection coverage

Elastio detects FunkLocker inside your data and backups.

The Hunt Engine uses Deep File Inspection to identify FunkLocker across live data, replicated data, and backups. If this family is in your environment, Elastio finds it before encryption completes. Run a scan against your recovery points to confirm.

See How the Hunt Engine WorksRequest a Demo

Recent ransomware

Explore other threats in our database

Wxlongda2025VeilCrypt2025TitanLabooboo2025SolidBit2022SnapHackLocker2024PySystemUpdate2025PySimCrypt2025Monkey2025Lol2025HWID2025
View all ransomware →
What is FunkLocker Ransomware? | Elastio